CN211744363U

CN211744363U - Anti-interference inverter

Info

Publication number: CN211744363U
Application number: CN201922306750.2U
Authority: CN
Inventors: 杨金勇
Original assignee: Yueqing Yongmao Power Co ltd
Current assignee: Yueqing Yongmao Power Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-10-23
Anticipated expiration: 2029-12-20

Abstract

The utility model discloses an anti-interference dc-to-ac converter. The utility model discloses, including the casing, the internally mounted of casing has the mainboard, and one side fixed mounting of mainboard has the fan, and the lateral wall fixed mounting of casing has the wiring nose, and the output connects punch combination to the lateral wall of casing has been seted up. The utility model discloses, through the wiring nose and utilize the electric wire, be connected this dc-to-ac converter with outside direct current power supply, outside direct current flows to the mainboard through the wiring nose, the oscillating circuit output of forming through the electric elements who sets up on the mainboard is the alternating current, the alternating current that obtains after stepping up through the ring that mainboard inside set up again after rectifying, output to output access hole group at last, and be connected with electrical apparatus through output access hole group selection suitable hole and carry out current transport, this dc-to-ac converter is provided with multiple protection circuit, perfect protect function has, therefore, safety in utilization, the structure is succinct simultaneously, the large-scale production of being convenient for.

Description

Anti-interference inverter

Technical Field

The utility model relates to an inverter technical field specifically is an anti-interference dc-to-ac converter.

Background

The inverter converts direct current electric energy (batteries and storage batteries) into alternating current (generally 220V,50Hz sine wave). It is composed of inverter bridge, control logic and filter circuit. In short, an inverter is an electronic device that converts low voltage (12 or 24 volts or 48 volts) dc power to 220 volts ac power.

When the existing inverter carries out conversion, the sine wave current converted in the inverter is interfered by the external environment, and the current conversion effect is further influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anti-interference dc-to-ac converter to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an anti-interference dc-to-ac converter, includes the casing, the internally mounted of casing has the mainboard, one side fixed mounting of mainboard has the fan, the lateral wall fixed mounting of casing has the wiring nose, the output of casing has been seted up and has been connect the punch combination.

Preferably, the main board is internally provided with a protection circuit and an anti-interference circuit, and the protection circuit comprises a short-circuit protection circuit, an overload protection circuit, an overvoltage protection circuit and an overheat protection circuit.

Preferably, the output connection hole group is composed of a switch, a USB interface and three jacks, and the output connection hole group is electrically connected with the mainboard.

Preferably, the number of the wiring noses is two, two the wiring noses are divided into positive and negative poles and are all electrically connected with the mainboard.

Preferably, the working temperature range of the main board is-10 ℃ to 50 ℃, the storage temperature is-30 ℃ to +70 ℃, and the working environment humidity range is 20% to 90% RH.

Preferably, the side wall of the housing is provided with a through hole matched with the fan, and the through hole is positioned on the inner side of the wiring nose.

Compared with the prior art, the beneficial effects of the utility model are that: this anti-interference dc-to-ac converter, through the wiring nose and utilize the electric wire, be connected this inverter with outside direct current power supply, outside direct current is when flowing to the mainboard through the wiring nose, the oscillating circuit output of forming through the electric elements who sets up on the mainboard is the alternating current, the alternating current that obtains after stepping up through the inside electric ring that sets up of mainboard again carries out the rectification, finally, export to output access hole group, and it carries out the current transport to select suitable hole and be connected with electrical apparatus through output access hole group, this inverter is provided with multiple protection circuit, it is strong to have perfect protect function and interference killing feature, therefore safety in utilization, the structure is succinct simultaneously, be convenient for large-scale production.

Drawings

Fig. 1 is a schematic top view of the structure of the present invention;

FIG. 2 is a left side view of the present invention;

FIG. 3 is a right side view of the present invention;

fig. 4 is a schematic diagram of the main board structure of the present invention.

In the figure: the fan comprises a shell 1, a main board 2, a fan 3, a wiring nose 4 and an output wiring hole group 5.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: an anti-interference inverter comprises a shell 1, a mainboard 2 is mounted inside the shell 1, the working temperature range of the mainboard 2 is-10 ℃ to 50 ℃, the storage temperature is-30 ℃ to +70 ℃, the working environment humidity range is 20% -90% RH, a protection circuit and an anti-interference circuit are arranged inside the mainboard 2, the protection circuit comprises a short-circuit protection circuit, an overload protection circuit, an overvoltage protection circuit and an overheat protection circuit, a fan 3 is fixedly mounted on one side of the mainboard 2, a through hole matched with the fan 3 is formed in the side wall of the shell 1, the through hole is positioned on the inner side of a wiring nose 4, wiring noses 4 are fixedly mounted on the side wall of the shell 1, the two wiring noses 4 are two, are divided into positive and negative poles and are electrically connected with the mainboard 2, an output wiring group 5 is formed in the side wall of the shell 1, and the output wiring group 5 is formed by a switch, The USB interface and the three-head jack are formed, and the output connecting hole group 5 is electrically connected with the mainboard 2.

The working principle is as follows: when the inverter is used, the inverter is connected with an external direct current power supply through the wiring nose 4 and an electric wire, when external direct current flows to the mainboard 2 through the wiring nose 4, the alternating current is output through an oscillating circuit formed by electric elements arranged on the mainboard 2 and is rectified after being boosted through an electric coil arranged inside the mainboard 2 to obtain sine waves, and finally the sine waves are output to the output access hole group 5, and a proper connection hole is selected through the output access hole group 5 to be connected with an electric appliance for current transmission.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or scope of the present invention. Accordingly, the embodiments of the present invention are exemplary, and not limiting. The scope of the invention is indicated by the appended claims rather than by the foregoing description, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A tamper resistant inverter comprising a housing (1), characterized in that: the utility model discloses a fan, including casing (1), one side fixed mounting has fan (3), the internally mounted of casing (1) has mainboard (2), one side fixed mounting of mainboard (2), the lateral wall fixed mounting of casing (1) has wiring nose (4), output wiring hole group (5) have been seted up to the lateral wall of casing (1).

2. A tamper resistant inverter as claimed in claim 1, wherein: the protection circuit and the anti-interference circuit are arranged inside the mainboard (2), and the protection circuit comprises a short-circuit protection circuit, an overload protection circuit, an overvoltage protection circuit and an overheat protection circuit.

3. A tamper resistant inverter as claimed in claim 1, wherein: the output connection hole group (5) is composed of a switch, a USB interface and three jacks, and the output connection hole group (5) is electrically connected with the mainboard (2).

4. A tamper resistant inverter as claimed in claim 1, wherein: the quantity of wiring nose (4) is two, two wiring nose (4) divide into positive negative pole and all with mainboard (2) electric connection.

5. A tamper resistant inverter as claimed in claim 1, wherein: the working temperature range of the main board (2) is-10 ℃ to 50 ℃, the storage temperature is-30 ℃ to +70 ℃, and the working environment humidity range is 20% to 90% RH.

6. A tamper resistant inverter as claimed in claim 1, wherein: the side wall of the shell (1) is provided with a through hole matched with the fan (3), and the through hole is positioned on the inner side of the wiring nose (4).